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        <h1>
          <span class="m-breadcrumb"><a href="namespacebn.html">bn</a>::<wbr/></span>affine_bg_ptr <span class="m-thin">class</span>
          <div class="m-doc-include m-code m-inverted m-text-right"><span class="cp">#include</span> <a class="cpf" href="bn__affine__bg__ptr_8h.html">&lt;bn_affine_bg_ptr.h&gt;</a></div>
        </h1>
        <p>std::shared_ptr like smart pointer that retains shared ownership of an affine background.</p>
        <nav class="m-block m-default">
          <h3>Contents</h3>
          <ul>
            <li>
              Reference
              <ul>
                <li><a href="#pub-static-methods">Public static functions</a></li>
                <li><a href="#typeless-methods">Constructors, destructors, conversion operators</a></li>
                <li><a href="#pub-methods">Public functions</a></li>
                <li><a href="#friends">Friends</a></li>
              </ul>
            </li>
          </ul>
        </nav>
<p>Several <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> objects may own the same affine background.</p><p>The affine background is released when the last remaining <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> owning it is destroyed.</p>
        <section id="pub-static-methods">
          <h2><a href="#pub-static-methods">Public static functions</a></h2>
          <dl class="m-doc">
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#a30c307ba2f68ca9590802927946a1f1c" class="m-doc">create</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item) -&gt; <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a></span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#a509f736a63e0c4dc6c83fe4ae52b0b37" class="m-doc">create</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item,
              int map_index) -&gt; <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a></span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#a663b4a5ef48d0ecc1974061df58c1a07" class="m-doc">create</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> map) -&gt; <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a></span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#a703d48632e3ad213fe55ed24c804c387" class="m-doc">create</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> x,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> y,
              const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item) -&gt; <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a></span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#afbbc85ad3523c7680f4fface5394cdf5" class="m-doc">create</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> x,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> y,
              const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item,
              int map_index) -&gt; <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a></span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#a92176494ac712958337401d1c394ad93" class="m-doc">create</a>(</span><span class="m-doc-wrap">const <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a>&amp; position,
              const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item) -&gt; <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a></span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#ad1401c2ce07492d7c85507ce19c765bb" class="m-doc">create</a>(</span><span class="m-doc-wrap">const <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a>&amp; position,
              const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item,
              int map_index) -&gt; <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a></span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#af3bf1a930b35b926dc0df5ead6f47466" class="m-doc">create</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> x,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> y,
              <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> map) -&gt; <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a></span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#a6d429de873d461238ea049476569acbd" class="m-doc">create</a>(</span><span class="m-doc-wrap">const <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a>&amp; position,
              <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> map) -&gt; <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a></span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#a50ac65ffd6d6a6d94fdc8a32f1e2c7dd" class="m-doc">create</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a>&amp; builder) -&gt; <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a></span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from an <a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a> reference.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#a8cd54685fc97297087070697927cfa2f" class="m-doc">create</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a>&amp;&amp; builder) -&gt; <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a></span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from a moved <a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#a9cf50593650f5de1aad592f96cceceb5" class="m-doc">create_optional</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item) -&gt; <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt;</span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#ac1ab630feaa7b6ecf7ade390c5a70018" class="m-doc">create_optional</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item,
              int map_index) -&gt; <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt;</span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#a0343ae16c492f4fe6923bfad09994cdf" class="m-doc">create_optional</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> map) -&gt; <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt;</span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#a9f49693b907f1611294585130f85f13e" class="m-doc">create_optional</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> x,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> y,
              const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item) -&gt; <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt;</span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#aa74339eeeb7795db6b7a07f4781f6a79" class="m-doc">create_optional</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> x,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> y,
              const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item,
              int map_index) -&gt; <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt;</span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#aeb8b21f720c14854d6038cd16335a66e" class="m-doc">create_optional</a>(</span><span class="m-doc-wrap">const <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a>&amp; position,
              const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item) -&gt; <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt;</span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#a6ff0f182c5f309901fe1226667f9e414" class="m-doc">create_optional</a>(</span><span class="m-doc-wrap">const <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a>&amp; position,
              const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item,
              int map_index) -&gt; <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt;</span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#a0d9e6efd69e5bc35b65531b098281f59" class="m-doc">create_optional</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> x,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> y,
              <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> map) -&gt; <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt;</span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#aec3b44116de1e6c69d8fec727961a6fc" class="m-doc">create_optional</a>(</span><span class="m-doc-wrap">const <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a>&amp; position,
              <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> map) -&gt; <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt;</span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#a18590859c5a0eb47c7338e404d63205e" class="m-doc">create_optional</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a>&amp; builder) -&gt; <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt;</span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from an <a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a> reference.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#aabe7d77d45e1f5bb0e6cdcd2326cbcf7" class="m-doc">create_optional</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a>&amp;&amp; builder) -&gt; <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt;</span>
            </dt>
            <dd>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from a moved <a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a>.</dd>
          </dl>
        </section>
        <section id="typeless-methods">
          <h2><a href="#typeless-methods">Constructors, destructors, conversion operators</a></h2>
          <dl class="m-doc">
            <dt>
              <span class="m-doc-wrap-bumper"><a href="#a87628e10192e21266f86800d7f170935" class="m-doc">affine_bg_ptr</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp; other)</span>
            </dt>
            <dd>Copy constructor.</dd>
            <dt>
              <span class="m-doc-wrap-bumper"><a href="#ab831cdfa6fc166a01ff5964f1a2318eb" class="m-doc">affine_bg_ptr</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp;&amp; other) <span class="m-label m-flat m-success">noexcept</span></span>
            </dt>
            <dd>Move constructor.</dd>
            <dt id="ae1823d49a38229521dba9af65f4ba720">
              <span class="m-doc-wrap-bumper"><a href="#ae1823d49a38229521dba9af65f4ba720" class="m-doc-self">~affine_bg_ptr</a>(</span><span class="m-doc-wrap">)</span>
            </dt>
            <dd>Releases the referenced affine background if no more <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> objects reference to it.</dd>
          </dl>
        </section>
        <section id="pub-methods">
          <h2><a href="#pub-methods">Public functions</a></h2>
          <dl class="m-doc">
            <dt>
              <span class="m-doc-wrap-bumper">auto <a href="#a84ba6e91e32ac2f1b3688ac9a06dfcaa" class="m-doc">operator=</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp; other) -&gt; <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp;</span>
            </dt>
            <dd>Copy assignment operator.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">auto <a href="#a975c29ebe4fca75626dfb217f8fd9202" class="m-doc">operator=</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp;&amp; other) -&gt; <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp; <span class="m-label m-flat m-success">noexcept</span></span>
            </dt>
            <dd>Move assignment operator.</dd>
            <dt id="ad1630a03da678e6d7371ac2968ac36d3">
              <span class="m-doc-wrap-bumper">auto <a href="#ad1630a03da678e6d7371ac2968ac36d3" class="m-doc-self">dimensions</a>(</span><span class="m-doc-wrap">) const -&gt; <a href="classbn_1_1size.html" class="m-doc">size</a></span>
            </dt>
            <dd>Returns the size in pixels of the affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">auto <a href="#a4b369e9edcf115a2349b0fbacf6f9e1f" class="m-doc">big</a>(</span><span class="m-doc-wrap">) const -&gt; bool</span>
            </dt>
            <dd>Indicates if this affine background is big or not.</dd>
            <dt id="aa6404123e57b521dc11e16c72cfbbf02">
              <span class="m-doc-wrap-bumper">auto <a href="#aa6404123e57b521dc11e16c72cfbbf02" class="m-doc-self">tiles</a>(</span><span class="m-doc-wrap">) const -&gt; const <a href="classbn_1_1affine__bg__tiles__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />tiles_<wbr />ptr</a>&amp;</span>
            </dt>
            <dd>Returns the tiles used by this affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#a4febffc15191460072fd4af2132aceb9" class="m-doc">set_tiles</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__tiles__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />tiles_<wbr />ptr</a>&amp; tiles)</span>
            </dt>
            <dd>Sets the tiles used by this affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#a40c04d6e9de8c6908ecc24f33331a11e" class="m-doc">set_tiles</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__tiles__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />tiles_<wbr />ptr</a>&amp;&amp; tiles)</span>
            </dt>
            <dd>Sets the tiles used by this affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#acf742f2cb12ca2b63b210dff23aea90e" class="m-doc">set_tiles</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__tiles__item.html" class="m-doc">affine_<wbr />bg_<wbr />tiles_<wbr />item</a>&amp; tiles_item)</span>
            </dt>
            <dd>Replaces the tiles used by this affine background with a new tile set created with the given <a href="classbn_1_1affine__bg__tiles__item.html" class="m-doc">affine_<wbr />bg_<wbr />tiles_<wbr />item</a>.</dd>
            <dt id="a9e039db9da3a9235019de075c3a88476">
              <span class="m-doc-wrap-bumper">auto <a href="#a9e039db9da3a9235019de075c3a88476" class="m-doc-self">palette</a>(</span><span class="m-doc-wrap">) const -&gt; const <a href="classbn_1_1bg__palette__ptr.html" class="m-doc">bg_<wbr />palette_<wbr />ptr</a>&amp;</span>
            </dt>
            <dd>Returns the color palette used by this affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#afdd78c27b25e485aff9ff5c31081046e" class="m-doc">set_palette</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1bg__palette__ptr.html" class="m-doc">bg_<wbr />palette_<wbr />ptr</a>&amp; palette)</span>
            </dt>
            <dd>Sets the color palette to use by this affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#ab5f05370711987c4562673498baf7526" class="m-doc">set_palette</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1bg__palette__ptr.html" class="m-doc">bg_<wbr />palette_<wbr />ptr</a>&amp;&amp; palette)</span>
            </dt>
            <dd>Sets the color palette to use by this affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#a49ac4b92e9931073526fe1241637ed1d" class="m-doc">set_palette</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1bg__palette__item.html" class="m-doc">bg_<wbr />palette_<wbr />item</a>&amp; palette_item)</span>
            </dt>
            <dd>Replaces the color palette used by this affine background with a new one created with the given <a href="classbn_1_1bg__palette__item.html" class="m-doc">bg_<wbr />palette_<wbr />item</a>.</dd>
            <dt id="ac6552ac560fc6a82e25ceff5129260f8">
              <span class="m-doc-wrap-bumper">auto <a href="#ac6552ac560fc6a82e25ceff5129260f8" class="m-doc-self">map</a>(</span><span class="m-doc-wrap">) const -&gt; const <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a>&amp;</span>
            </dt>
            <dd>Returns the map used by this affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#a60bdbda4a393a235704f18a3bad9eb33" class="m-doc">set_map</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a>&amp; map)</span>
            </dt>
            <dd>Sets the map used by this affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#a1493903af277eb08baedaf39825365de" class="m-doc">set_map</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a>&amp;&amp; map)</span>
            </dt>
            <dd>Sets the map used by this affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#a123b6b55088781d5046584b900cfb87d" class="m-doc">set_map</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__map__item.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />item</a>&amp; map_item)</span>
            </dt>
            <dd>Replaces the map used by this affine background with a new map created with the given <a href="classbn_1_1affine__bg__map__item.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />item</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#a96bf6bf52de80e6df84ba16617774c9c" class="m-doc">set_map</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__map__item.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />item</a>&amp; map_item,
              int map_index)</span>
            </dt>
            <dd>Replaces the map used by this affine background with a new map created with the given <a href="classbn_1_1affine__bg__map__item.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />item</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#a454ab025d8c5726e46a114973f725a77" class="m-doc">set_item</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item)</span>
            </dt>
            <dd>Replaces the tiles, the color palette and the map used by this affine background with the created with the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#a8c1abcb5f0728576a9684a69b8b71bcc" class="m-doc">set_item</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item,
              int map_index)</span>
            </dt>
            <dd>Replaces the tiles, the color palette and the map used by this affine background with the created with the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</dd>
            <dt id="a3f28d919ec5253f227d093f1bedba11a">
              <span class="m-doc-wrap-bumper">auto <a href="#a3f28d919ec5253f227d093f1bedba11a" class="m-doc-self">x</a>(</span><span class="m-doc-wrap">) const -&gt; <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a></span>
            </dt>
            <dd>Returns the horizontal position of the affine background (relative to its camera, if it has one).</dd>
            <dt id="a5c1a9a2a67893fd50b084717d6fa3e65">
              <span class="m-doc-wrap-bumper">void <a href="#a5c1a9a2a67893fd50b084717d6fa3e65" class="m-doc-self">set_x</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> x)</span>
            </dt>
            <dd>Sets the horizontal position of the affine background (relative to its camera, if it has one).</dd>
            <dt id="a2f993da9dc8876cf81df00ba67c3cd9a">
              <span class="m-doc-wrap-bumper">auto <a href="#a2f993da9dc8876cf81df00ba67c3cd9a" class="m-doc-self">y</a>(</span><span class="m-doc-wrap">) const -&gt; <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a></span>
            </dt>
            <dd>Returns the vertical position of the affine background (relative to its camera, if it has one).</dd>
            <dt id="a92e809c7f72b4e889310e4de50597834">
              <span class="m-doc-wrap-bumper">void <a href="#a92e809c7f72b4e889310e4de50597834" class="m-doc-self">set_y</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> y)</span>
            </dt>
            <dd>Sets the vertical position of the affine background (relative to its camera, if it has one).</dd>
            <dt id="a0b1b6a54b401c8a31bc876200d3994cd">
              <span class="m-doc-wrap-bumper">auto <a href="#a0b1b6a54b401c8a31bc876200d3994cd" class="m-doc-self">position</a>(</span><span class="m-doc-wrap">) const -&gt; const <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a>&amp;</span>
            </dt>
            <dd>Returns the position of the affine background (relative to its camera, if it has one).</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#a8f8891a139429df3ab19d65e3e695852" class="m-doc">set_position</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> x,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> y)</span>
            </dt>
            <dd>Sets the position of the affine background (relative to its camera, if it has one).</dd>
            <dt id="afd6ee5c5601df48ae476d0fd8370f717">
              <span class="m-doc-wrap-bumper">void <a href="#afd6ee5c5601df48ae476d0fd8370f717" class="m-doc-self">set_position</a>(</span><span class="m-doc-wrap">const <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a>&amp; position)</span>
            </dt>
            <dd>Sets the position of the affine background (relative to its camera, if it has one).</dd>
            <dt id="aa1159823ba611693285d8d96efb3c887">
              <span class="m-doc-wrap-bumper">auto <a href="#aa1159823ba611693285d8d96efb3c887" class="m-doc-self">top_left_x</a>(</span><span class="m-doc-wrap">) const -&gt; <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a></span>
            </dt>
            <dd>Returns the horizontal top-left position of the affine background (relative to its camera, if it has one).</dd>
            <dt id="adadb6eecd3bba10026b60a4f27c60347">
              <span class="m-doc-wrap-bumper">void <a href="#adadb6eecd3bba10026b60a4f27c60347" class="m-doc-self">set_top_left_x</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> top_left_x)</span>
            </dt>
            <dd>Sets the horizontal top-left position of the affine background (relative to its camera, if it has one).</dd>
            <dt id="ac0634d5b518487adb9c61e5c9fba277d">
              <span class="m-doc-wrap-bumper">auto <a href="#ac0634d5b518487adb9c61e5c9fba277d" class="m-doc-self">top_left_y</a>(</span><span class="m-doc-wrap">) const -&gt; <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a></span>
            </dt>
            <dd>Returns the vertical top-left position of the affine background (relative to its camera, if it has one).</dd>
            <dt id="a34f3d7f4c9f59f9367ff796b1e77d15b">
              <span class="m-doc-wrap-bumper">void <a href="#a34f3d7f4c9f59f9367ff796b1e77d15b" class="m-doc-self">set_top_left_y</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> top_left_y)</span>
            </dt>
            <dd>Sets the vertical top-left position of the affine background (relative to its camera, if it has one).</dd>
            <dt id="acf41fcd84c7fa0a26295d2f3b24b86b3">
              <span class="m-doc-wrap-bumper">auto <a href="#acf41fcd84c7fa0a26295d2f3b24b86b3" class="m-doc-self">top_left_position</a>(</span><span class="m-doc-wrap">) const -&gt; <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a></span>
            </dt>
            <dd>Returns the top-left position of the affine background (relative to its camera, if it has one).</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#a0a82d3aa0d8b3ab8a4923b057c975ace" class="m-doc">set_top_left_position</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> top_left_x,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> top_left_y)</span>
            </dt>
            <dd>Sets the top-left position of the affine background (relative to its camera, if it has one).</dd>
            <dt id="ad9b53fbc75266a7682004ed21bfe4536">
              <span class="m-doc-wrap-bumper">void <a href="#ad9b53fbc75266a7682004ed21bfe4536" class="m-doc-self">set_top_left_position</a>(</span><span class="m-doc-wrap">const <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a>&amp; top_left_position)</span>
            </dt>
            <dd>Sets the top-left position of the affine background (relative to its camera, if it has one).</dd>
            <dt id="af5646ff5d3aea014fe0dccdc0bc72ce8">
              <span class="m-doc-wrap-bumper">auto <a href="#af5646ff5d3aea014fe0dccdc0bc72ce8" class="m-doc-self">rotation_angle</a>(</span><span class="m-doc-wrap">) const -&gt; <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a></span>
            </dt>
            <dd>Returns the rotation angle in degrees of the affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#ae598fe668677e809c6b847466b640899" class="m-doc">set_rotation_angle</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> rotation_angle)</span>
            </dt>
            <dd>Sets the rotation angle in degrees of the affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#acaf8f31bfe870b0a0fabfac906ba6394" class="m-doc">set_rotation_angle_safe</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> rotation_angle)</span>
            </dt>
            <dd>Sets the rotation angle in degrees of the affine background.</dd>
            <dt id="ac045030cc850fc299b1c61f818c95e85">
              <span class="m-doc-wrap-bumper">auto <a href="#ac045030cc850fc299b1c61f818c95e85" class="m-doc-self">horizontal_scale</a>(</span><span class="m-doc-wrap">) const -&gt; <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a></span>
            </dt>
            <dd>Returns the horizontal scale of the affine background.</dd>
            <dt id="a5d96feb2c0a9294b33471da7e7145296">
              <span class="m-doc-wrap-bumper">void <a href="#a5d96feb2c0a9294b33471da7e7145296" class="m-doc-self">set_horizontal_scale</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> horizontal_scale)</span>
            </dt>
            <dd>Sets the horizontal scale of the affine background.</dd>
            <dt id="af187bd80af53fc258ba539f1071e0c66">
              <span class="m-doc-wrap-bumper">auto <a href="#af187bd80af53fc258ba539f1071e0c66" class="m-doc-self">vertical_scale</a>(</span><span class="m-doc-wrap">) const -&gt; <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a></span>
            </dt>
            <dd>Returns the vertical scale of the affine background.</dd>
            <dt id="a1e11a945a5bc841d27ef35345f2f523d">
              <span class="m-doc-wrap-bumper">void <a href="#a1e11a945a5bc841d27ef35345f2f523d" class="m-doc-self">set_vertical_scale</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> vertical_scale)</span>
            </dt>
            <dd>Sets the vertical scale of the affine background.</dd>
            <dt id="a5f33364825b4f1733cf87c7c796696d3">
              <span class="m-doc-wrap-bumper">void <a href="#a5f33364825b4f1733cf87c7c796696d3" class="m-doc-self">set_scale</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> scale)</span>
            </dt>
            <dd>Sets the scale of the affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#a5c245f9a7ee2d1aaedd4129358eb1123" class="m-doc">set_scale</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> horizontal_scale,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> vertical_scale)</span>
            </dt>
            <dd>Sets the scale of the affine background.</dd>
            <dt id="a6168e68dec3ab0da5f3d01c385b6d172">
              <span class="m-doc-wrap-bumper">auto <a href="#a6168e68dec3ab0da5f3d01c385b6d172" class="m-doc-self">horizontal_shear</a>(</span><span class="m-doc-wrap">) const -&gt; <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a></span>
            </dt>
            <dd>Returns the horizontal shear of the affine background.</dd>
            <dt id="ac06ee3f5b3778391aab94eb5ac8ed471">
              <span class="m-doc-wrap-bumper">void <a href="#ac06ee3f5b3778391aab94eb5ac8ed471" class="m-doc-self">set_horizontal_shear</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> horizontal_shear)</span>
            </dt>
            <dd>Sets the horizontal shear of the affine background.</dd>
            <dt id="a7e68b086409dad3517a4a8d66553847c">
              <span class="m-doc-wrap-bumper">auto <a href="#a7e68b086409dad3517a4a8d66553847c" class="m-doc-self">vertical_shear</a>(</span><span class="m-doc-wrap">) const -&gt; <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a></span>
            </dt>
            <dd>Returns the vertical shear of the affine background.</dd>
            <dt id="acddc17be11cd0bd49eabb998e37ed705">
              <span class="m-doc-wrap-bumper">void <a href="#acddc17be11cd0bd49eabb998e37ed705" class="m-doc-self">set_vertical_shear</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> vertical_shear)</span>
            </dt>
            <dd>Sets the vertical shear of the affine background.</dd>
            <dt id="a3c4ccc94b171d91d5b23f48cebe9f9f9">
              <span class="m-doc-wrap-bumper">void <a href="#a3c4ccc94b171d91d5b23f48cebe9f9f9" class="m-doc-self">set_shear</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> shear)</span>
            </dt>
            <dd>Sets the shear of the affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#af0ec44c40c7b9651c0c2d4825f78ce34" class="m-doc">set_shear</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> horizontal_shear,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> vertical_shear)</span>
            </dt>
            <dd>Sets the shear of the affine background.</dd>
            <dt id="aa260e283f78b251766047aafdc9fb13b">
              <span class="m-doc-wrap-bumper">auto <a href="#aa260e283f78b251766047aafdc9fb13b" class="m-doc-self">horizontal_flip</a>(</span><span class="m-doc-wrap">) const -&gt; bool</span>
            </dt>
            <dd>Indicates if this affine background is flipped in the horizontal axis or not.</dd>
            <dt id="a518f3fad2f518ea1c6f13294fb38c0f5">
              <span class="m-doc-wrap-bumper">void <a href="#a518f3fad2f518ea1c6f13294fb38c0f5" class="m-doc-self">set_horizontal_flip</a>(</span><span class="m-doc-wrap">bool horizontal_flip)</span>
            </dt>
            <dd>Sets if this affine background must be flipped in the horizontal axis or not.</dd>
            <dt id="a7aae54bd9f5e2f058f66adacda806c6e">
              <span class="m-doc-wrap-bumper">auto <a href="#a7aae54bd9f5e2f058f66adacda806c6e" class="m-doc-self">vertical_flip</a>(</span><span class="m-doc-wrap">) const -&gt; bool</span>
            </dt>
            <dd>Indicates if this affine background must be flipped in the vertical axis or not.</dd>
            <dt id="a9d4935d497354924b55bd1a72812f97c">
              <span class="m-doc-wrap-bumper">void <a href="#a9d4935d497354924b55bd1a72812f97c" class="m-doc-self">set_vertical_flip</a>(</span><span class="m-doc-wrap">bool vertical_flip)</span>
            </dt>
            <dd>Sets if this affine background must be flipped in the vertical axis or not.</dd>
            <dt id="ac33408f9b972337723448e06b130d29f">
              <span class="m-doc-wrap-bumper">auto <a href="#ac33408f9b972337723448e06b130d29f" class="m-doc-self">pivot_x</a>(</span><span class="m-doc-wrap">) const -&gt; <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a></span>
            </dt>
            <dd>Returns the horizontal position of the affine transformations pivot point of this affine background.</dd>
            <dt id="aed18815cbcbcafa12d1358faa8824d31">
              <span class="m-doc-wrap-bumper">void <a href="#aed18815cbcbcafa12d1358faa8824d31" class="m-doc-self">set_pivot_x</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> pivot_x)</span>
            </dt>
            <dd>Sets the horizontal position of the affine transformations pivot point of this affine background.</dd>
            <dt id="acb99fcbd5e0d575318e81d8bac8b55c0">
              <span class="m-doc-wrap-bumper">auto <a href="#acb99fcbd5e0d575318e81d8bac8b55c0" class="m-doc-self">pivot_y</a>(</span><span class="m-doc-wrap">) const -&gt; <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a></span>
            </dt>
            <dd>Returns the vertical position of the affine transformations pivot point of this affine background.</dd>
            <dt id="afd6ba0d844f85d1365969108c8e4e655">
              <span class="m-doc-wrap-bumper">void <a href="#afd6ba0d844f85d1365969108c8e4e655" class="m-doc-self">set_pivot_y</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> pivot_y)</span>
            </dt>
            <dd>Sets the vertical position of the affine transformations pivot point of this affine background.</dd>
            <dt id="a3bd50d2f9113b1e08995b613510b8b8b">
              <span class="m-doc-wrap-bumper">auto <a href="#a3bd50d2f9113b1e08995b613510b8b8b" class="m-doc-self">pivot_position</a>(</span><span class="m-doc-wrap">) const -&gt; const <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a>&amp;</span>
            </dt>
            <dd>Returns the position of the affine transformations pivot point of this affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#a1fed661c153bc4aa2aff65fc7444e2b9" class="m-doc">set_pivot_position</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> pivot_x,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> pivot_y)</span>
            </dt>
            <dd>Sets the position of the affine transformations pivot point of this affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#a985b8643eeb6b754b03c61415ed84316" class="m-doc">set_pivot_position</a>(</span><span class="m-doc-wrap">const <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a>&amp; pivot_position)</span>
            </dt>
            <dd>Sets the position of the affine transformations pivot point of this affine background.</dd>
            <dt id="a5e2946de2a683faa30b0250d39188f47">
              <span class="m-doc-wrap-bumper">auto <a href="#a5e2946de2a683faa30b0250d39188f47" class="m-doc-self">mat_attributes</a>(</span><span class="m-doc-wrap">) const -&gt; const <a href="classbn_1_1affine__bg__mat__attributes.html" class="m-doc">affine_<wbr />bg_<wbr />mat_<wbr />attributes</a>&amp;</span>
            </dt>
            <dd>Returns the attributes of the position and the transformation matrix of this affine background.</dd>
            <dt id="a527bcf5866d9feef058ea9d38306b2fd">
              <span class="m-doc-wrap-bumper">void <a href="#a527bcf5866d9feef058ea9d38306b2fd" class="m-doc-self">set_mat_attributes</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__mat__attributes.html" class="m-doc">affine_<wbr />mat_<wbr />attributes</a>&amp; mat_attributes)</span>
            </dt>
            <dd>Sets the attributes of the affine transformation matrix of this affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">auto <a href="#a40b7d7667816ff7b3a0842b4a2350b73" class="m-doc">priority</a>(</span><span class="m-doc-wrap">) const -&gt; int</span>
            </dt>
            <dd>Returns the priority of the affine background relative to sprites and other backgrounds.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#a8a9dde1bd8148ec36cb3f4fb34a3facb" class="m-doc">set_priority</a>(</span><span class="m-doc-wrap">int priority)</span>
            </dt>
            <dd>Sets the priority of the affine background relative to sprites and other backgrounds.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">auto <a href="#adad1407842aa80657bff4b6a3a383fcc" class="m-doc">z_order</a>(</span><span class="m-doc-wrap">) const -&gt; int</span>
            </dt>
            <dd>Returns the priority of the affine background relative to other backgrounds, excluding sprites.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#ae2360197f014cb4ce262ff5e58277c9d" class="m-doc">set_z_order</a>(</span><span class="m-doc-wrap">int z_order)</span>
            </dt>
            <dd>Sets the priority of the affine background relative to other backgrounds, excluding sprites.</dd>
            <dt id="afd4507bb45fc9e28b16f89cddb64dea7">
              <span class="m-doc-wrap-bumper">void <a href="#afd4507bb45fc9e28b16f89cddb64dea7" class="m-doc-self">put_above</a>(</span><span class="m-doc-wrap">)</span>
            </dt>
            <dd>Modify this affine background to be drawn above all of the other backgrounds with the same priority.</dd>
            <dt id="aff23390b08aac4ae352bec1b31ff5e08">
              <span class="m-doc-wrap-bumper">void <a href="#aff23390b08aac4ae352bec1b31ff5e08" class="m-doc-self">put_below</a>(</span><span class="m-doc-wrap">)</span>
            </dt>
            <dd>Modify this affine background to be drawn below all of the other backgrounds with the same priority.</dd>
            <dt id="aa5728a9268ef2a2f335dad540c5b1b36">
              <span class="m-doc-wrap-bumper">auto <a href="#aa5728a9268ef2a2f335dad540c5b1b36" class="m-doc-self">wrapping_enabled</a>(</span><span class="m-doc-wrap">) const -&gt; bool</span>
            </dt>
            <dd>Indicates if this affine background wraps around at the edges or not.</dd>
            <dt id="a9465658d79a3f0648786f095ff3f0303">
              <span class="m-doc-wrap-bumper">void <a href="#a9465658d79a3f0648786f095ff3f0303" class="m-doc-self">set_wrapping_enabled</a>(</span><span class="m-doc-wrap">bool wrapping_enabled)</span>
            </dt>
            <dd>Sets if this affine background must wrap around at the edges or not.</dd>
            <dt id="aa67186cdb90d9f95b35c525e08056137">
              <span class="m-doc-wrap-bumper">auto <a href="#aa67186cdb90d9f95b35c525e08056137" class="m-doc-self">mosaic_enabled</a>(</span><span class="m-doc-wrap">) const -&gt; bool</span>
            </dt>
            <dd>Indicates if the mosaic effect must be applied to this affine background or not.</dd>
            <dt id="a1d3d93185fd4fdd303f95f62ad65aa1f">
              <span class="m-doc-wrap-bumper">void <a href="#a1d3d93185fd4fdd303f95f62ad65aa1f" class="m-doc-self">set_mosaic_enabled</a>(</span><span class="m-doc-wrap">bool mosaic_enabled)</span>
            </dt>
            <dd>Sets if the mosaic effect must be applied to this affine background or not.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">auto <a href="#ad1654cd868c7810d393e402610960e59" class="m-doc">blending_enabled</a>(</span><span class="m-doc-wrap">) const -&gt; bool</span>
            </dt>
            <dd>Indicates if blending must be applied to this affine background or not.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#a715b1bc30121d4d9ef1cb359200a830a" class="m-doc">set_blending_enabled</a>(</span><span class="m-doc-wrap">bool blending_enabled)</span>
            </dt>
            <dd>Sets if blending must be applied to this affine background or not.</dd>
            <dt id="acea61a44aa59cf21ca050e816749b6d6">
              <span class="m-doc-wrap-bumper">auto <a href="#acea61a44aa59cf21ca050e816749b6d6" class="m-doc-self">blending_top_enabled</a>(</span><span class="m-doc-wrap">) const -&gt; bool</span>
            </dt>
            <dd>Indicates if this affine background is part of the blending top layer or not.</dd>
            <dt id="a13daf15f8a8b89be894bd8f42d4d3741">
              <span class="m-doc-wrap-bumper">void <a href="#a13daf15f8a8b89be894bd8f42d4d3741" class="m-doc-self">set_blending_top_enabled</a>(</span><span class="m-doc-wrap">bool blending_top_enabled)</span>
            </dt>
            <dd>Sets if this affine background is part of the blending top layer or not.</dd>
            <dt id="a5e04b0d291e8f69af20242664ea8591d">
              <span class="m-doc-wrap-bumper">auto <a href="#a5e04b0d291e8f69af20242664ea8591d" class="m-doc-self">blending_bottom_enabled</a>(</span><span class="m-doc-wrap">) const -&gt; bool</span>
            </dt>
            <dd>Indicates if this affine background is part of the blending bottom layer or not.</dd>
            <dt id="a949e081f54bcf8abdd71c4c3f5904382">
              <span class="m-doc-wrap-bumper">void <a href="#a949e081f54bcf8abdd71c4c3f5904382" class="m-doc-self">set_blending_bottom_enabled</a>(</span><span class="m-doc-wrap">bool blending_bottom_enabled)</span>
            </dt>
            <dd>Sets if this affine background is part of the blending bottom layer or not.</dd>
            <dt id="ae468b8f869627bd7d6387f98cec50343">
              <span class="m-doc-wrap-bumper">auto <a href="#ae468b8f869627bd7d6387f98cec50343" class="m-doc-self">green_swap_mode</a>(</span><span class="m-doc-wrap">) const -&gt; <a href="group__green__swap.html#ga6ed8f658483577341079c6a880231745" class="m-doc">bn::<wbr />green_swap_mode</a></span>
            </dt>
            <dd>Indicates how this affine background must be displayed when green swap is enabled.</dd>
            <dt id="a141727d331a2acb26a8ea4cdb04595d5">
              <span class="m-doc-wrap-bumper">void <a href="#a141727d331a2acb26a8ea4cdb04595d5" class="m-doc-self">set_green_swap_mode</a>(</span><span class="m-doc-wrap"><a href="group__green__swap.html#ga6ed8f658483577341079c6a880231745" class="m-doc">bn::<wbr />green_swap_mode</a> green_swap_mode)</span>
            </dt>
            <dd>Sets how this affine background must be displayed when green swap is enabled.</dd>
            <dt id="a711ebbd8f56b6fb3e938a7a9274ee0f9">
              <span class="m-doc-wrap-bumper">auto <a href="#a711ebbd8f56b6fb3e938a7a9274ee0f9" class="m-doc-self">visible</a>(</span><span class="m-doc-wrap">) const -&gt; bool</span>
            </dt>
            <dd>Indicates if this affine background must be committed to the GBA or not.</dd>
            <dt id="a90f265673223a0777601a8bf5cbd63b2">
              <span class="m-doc-wrap-bumper">void <a href="#a90f265673223a0777601a8bf5cbd63b2" class="m-doc-self">set_visible</a>(</span><span class="m-doc-wrap">bool visible)</span>
            </dt>
            <dd>Sets if this affine background must be committed to the GBA or not.</dd>
            <dt id="a6df74201a426a7ab8a7c22f362b0378b">
              <span class="m-doc-wrap-bumper">auto <a href="#a6df74201a426a7ab8a7c22f362b0378b" class="m-doc-self">visible_in_window</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1window.html" class="m-doc">window</a>&amp; window) const -&gt; bool</span>
            </dt>
            <dd>Indicates if this affine background is visible in the given window or not.</dd>
            <dt id="a52c01bb9352b260bf162c800f442ef93">
              <span class="m-doc-wrap-bumper">void <a href="#a52c01bb9352b260bf162c800f442ef93" class="m-doc-self">set_visible_in_window</a>(</span><span class="m-doc-wrap">bool visible,
              <a href="classbn_1_1window.html" class="m-doc">window</a>&amp; window)</span>
            </dt>
            <dd>Sets if this affine background must be visible in the given window or not.</dd>
            <dt id="a9c19483e2762f2401a55f5decb06bd97">
              <span class="m-doc-wrap-bumper">auto <a href="#a9c19483e2762f2401a55f5decb06bd97" class="m-doc-self">camera</a>(</span><span class="m-doc-wrap">) const -&gt; const <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a>&gt;&amp;</span>
            </dt>
            <dd>Returns the <a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a> attached to this affine background (if any).</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#af560d9ebe678e2b1b3e4354b79c78b39" class="m-doc">set_camera</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a>&amp; camera)</span>
            </dt>
            <dd>Sets the <a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a> attached to this affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#ab72083110b1c6760b04c067ec7b024e5" class="m-doc">set_camera</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a>&amp;&amp; camera)</span>
            </dt>
            <dd>Sets the <a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a> attached to this affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#ae13afca478f34c871ab492a4372adccd" class="m-doc">set_camera</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a>&gt;&amp; camera)</span>
            </dt>
            <dd>Sets or removes the <a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a> attached to this affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#ac4703ddfac6f8ae01c6aa56767c6658a" class="m-doc">set_camera</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a>&gt;&amp;&amp; camera)</span>
            </dt>
            <dd>Sets or removes the <a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a> attached to this affine background.</dd>
            <dt id="a7b7b71184469feb38f56cf70be65808f">
              <span class="m-doc-wrap-bumper">void <a href="#a7b7b71184469feb38f56cf70be65808f" class="m-doc-self">remove_camera</a>(</span><span class="m-doc-wrap">)</span>
            </dt>
            <dd>Removes the <a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a> attached to this affine background (if any).</dd>
            <dt id="ad33ac1d8b111f2b93846a795bb01fde2">
              <span class="m-doc-wrap-bumper">auto <a href="#ad33ac1d8b111f2b93846a795bb01fde2" class="m-doc-self">attributes</a>(</span><span class="m-doc-wrap">) const -&gt; <a href="classbn_1_1affine__bg__attributes.html" class="m-doc">affine_<wbr />bg_<wbr />attributes</a></span>
            </dt>
            <dd>Returns the attributes to commit to the GBA for this affine background.</dd>
            <dt id="af20ba696aa3ff02125563455d24a322e">
              <span class="m-doc-wrap-bumper">void <a href="#af20ba696aa3ff02125563455d24a322e" class="m-doc-self">set_attributes</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__attributes.html" class="m-doc">affine_<wbr />bg_<wbr />attributes</a>&amp; attributes)</span>
            </dt>
            <dd>Sets the attributes to commit to the GBA for this affine background.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">auto <a href="#aa5f35f299742c43fc1ab0fc996f6f5a2" class="m-doc">hw_id</a>(</span><span class="m-doc-wrap">) const -&gt; <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;int&gt;</span>
            </dt>
            <dd>Returns the hardware ID assigned to this background or <a href="namespacebn.html#a01f293535903e4c4777564a86a0f520b" class="m-doc">bn::<wbr />nullopt</a> if no hardware ID has been assigned.</dd>
            <dt id="a611fd99991ca43548ac686483eabfb7d">
              <span class="m-doc-wrap-bumper">auto <a href="#a611fd99991ca43548ac686483eabfb7d" class="m-doc-self">handle</a>(</span><span class="m-doc-wrap">) const -&gt; const void*</span>
            </dt>
            <dd>Returns the internal handle.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#a711126f7613bc75e9f22ce93ca3c0f79" class="m-doc">swap</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp; other)</span>
            </dt>
            <dd>Exchanges the contents of this <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> with those of the other one.</dd>
          </dl>
        </section>
        <section id="friends">
          <h2><a href="#friends">Friends</a></h2>
          <dl class="m-doc">
            <dt>
              <span class="m-doc-wrap-bumper">void <a href="#afeac219f2f6c1f42d6379aaf4af3f473" class="m-doc">swap</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp; a,
              <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp; b)</span>
            </dt>
            <dd>Exchanges the contents of an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> with those of another one.</dd>
            <dt id="a3d684399194d780f67e2b07ec02f2863">
              <span class="m-doc-wrap-bumper">auto <a href="#a3d684399194d780f67e2b07ec02f2863" class="m-doc-self">operator==</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp; a,
              const <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp; b) -&gt; bool <span class="m-label m-flat m-info">defaulted</span></span>
            </dt>
            <dd>Default equal operator.</dd>
          </dl>
        </section>
        <section>
          <h2>Function documentation</h2>
          <section class="m-doc-details" id="a30c307ba2f68ca9590802927946a1f1c"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a30c307ba2f68ca9590802927946a1f1c" class="m-doc-self">create</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">item</td>
                  <td><a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a> containing the required information to generate the affine background.</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="a509f736a63e0c4dc6c83fe4ae52b0b37"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a509f736a63e0c4dc6c83fe4ae52b0b37" class="m-doc-self">create</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item,
              int map_index)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">item</td>
                  <td><a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a> containing the required information to generate the affine background.</td>
                </tr>
                <tr>
                  <td>map_index</td>
                  <td>Index of the map to reference in item.map_item().</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="a663b4a5ef48d0ecc1974061df58c1a07"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a663b4a5ef48d0ecc1974061df58c1a07" class="m-doc-self">create</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> map)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">map</td>
                  <td><a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> used by the affine background.</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="a703d48632e3ad213fe55ed24c804c387"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a703d48632e3ad213fe55ed24c804c387" class="m-doc-self">create</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> x,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> y,
              const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">x</td>
                  <td>Horizontal position of the affine background.</td>
                </tr>
                <tr>
                  <td>y</td>
                  <td>Vertical position of the affine background.</td>
                </tr>
                <tr>
                  <td>item</td>
                  <td><a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a> containing the required information to generate the affine background.</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="afbbc85ad3523c7680f4fface5394cdf5"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#afbbc85ad3523c7680f4fface5394cdf5" class="m-doc-self">create</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> x,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> y,
              const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item,
              int map_index)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">x</td>
                  <td>Horizontal position of the affine background.</td>
                </tr>
                <tr>
                  <td>y</td>
                  <td>Vertical position of the affine background.</td>
                </tr>
                <tr>
                  <td>item</td>
                  <td><a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a> containing the required information to generate the affine background.</td>
                </tr>
                <tr>
                  <td>map_index</td>
                  <td>Index of the map to reference in item.map_item().</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="a92176494ac712958337401d1c394ad93"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a92176494ac712958337401d1c394ad93" class="m-doc-self">create</a>(</span><span class="m-doc-wrap">const <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a>&amp; position,
              const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">position</td>
                  <td>Position of the affine background.</td>
                </tr>
                <tr>
                  <td>item</td>
                  <td><a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a> containing the required information to generate the affine background.</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="ad1401c2ce07492d7c85507ce19c765bb"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#ad1401c2ce07492d7c85507ce19c765bb" class="m-doc-self">create</a>(</span><span class="m-doc-wrap">const <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a>&amp; position,
              const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item,
              int map_index)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">position</td>
                  <td>Position of the affine background.</td>
                </tr>
                <tr>
                  <td>item</td>
                  <td><a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a> containing the required information to generate the affine background.</td>
                </tr>
                <tr>
                  <td>map_index</td>
                  <td>Index of the map to reference in item.map_item().</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="af3bf1a930b35b926dc0df5ead6f47466"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#af3bf1a930b35b926dc0df5ead6f47466" class="m-doc-self">create</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> x,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> y,
              <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> map)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">x</td>
                  <td>Horizontal position of the affine background.</td>
                </tr>
                <tr>
                  <td>y</td>
                  <td>Vertical position of the affine background.</td>
                </tr>
                <tr>
                  <td>map</td>
                  <td><a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> used by the affine background.</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="a6d429de873d461238ea049476569acbd"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a6d429de873d461238ea049476569acbd" class="m-doc-self">create</a>(</span><span class="m-doc-wrap">const <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a>&amp; position,
              <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> map)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">position</td>
                  <td>Position of the affine background.</td>
                </tr>
                <tr>
                  <td>map</td>
                  <td><a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> used by the affine background.</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="a50ac65ffd6d6a6d94fdc8a32f1e2c7dd"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a50ac65ffd6d6a6d94fdc8a32f1e2c7dd" class="m-doc-self">create</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a>&amp; builder)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from an <a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a> reference.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">builder</td>
                  <td><a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a> reference.</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="a8cd54685fc97297087070697927cfa2f"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a8cd54685fc97297087070697927cfa2f" class="m-doc-self">create</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a>&amp;&amp; builder)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from a moved <a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">builder</td>
                  <td><a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a> to move.</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="a9cf50593650f5de1aad592f96cceceb5"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt; bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a9cf50593650f5de1aad592f96cceceb5" class="m-doc-self">create_optional</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">item</td>
                  <td><a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a> containing the required information to generate the affine background.</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> if it could be allocated; <a href="namespacebn.html#a01f293535903e4c4777564a86a0f520b" class="m-doc">bn::<wbr />nullopt</a> otherwise.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="ac1ab630feaa7b6ecf7ade390c5a70018"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt; bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#ac1ab630feaa7b6ecf7ade390c5a70018" class="m-doc-self">create_optional</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item,
              int map_index)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">item</td>
                  <td><a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a> containing the required information to generate the affine background.</td>
                </tr>
                <tr>
                  <td>map_index</td>
                  <td>Index of the map to reference in item.map_item().</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> if it could be allocated; <a href="namespacebn.html#a01f293535903e4c4777564a86a0f520b" class="m-doc">bn::<wbr />nullopt</a> otherwise.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="a0343ae16c492f4fe6923bfad09994cdf"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt; bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a0343ae16c492f4fe6923bfad09994cdf" class="m-doc-self">create_optional</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> map)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">map</td>
                  <td><a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> used by the affine background.</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> if it could be allocated; <a href="namespacebn.html#a01f293535903e4c4777564a86a0f520b" class="m-doc">bn::<wbr />nullopt</a> otherwise.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="a9f49693b907f1611294585130f85f13e"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt; bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a9f49693b907f1611294585130f85f13e" class="m-doc-self">create_optional</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> x,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> y,
              const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">x</td>
                  <td>Horizontal position of the affine background.</td>
                </tr>
                <tr>
                  <td>y</td>
                  <td>Vertical position of the affine background.</td>
                </tr>
                <tr>
                  <td>item</td>
                  <td><a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a> containing the required information to generate the affine background.</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> if it could be allocated; <a href="namespacebn.html#a01f293535903e4c4777564a86a0f520b" class="m-doc">bn::<wbr />nullopt</a> otherwise.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="aa74339eeeb7795db6b7a07f4781f6a79"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt; bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#aa74339eeeb7795db6b7a07f4781f6a79" class="m-doc-self">create_optional</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> x,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> y,
              const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item,
              int map_index)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">x</td>
                  <td>Horizontal position of the affine background.</td>
                </tr>
                <tr>
                  <td>y</td>
                  <td>Vertical position of the affine background.</td>
                </tr>
                <tr>
                  <td>item</td>
                  <td><a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a> containing the required information to generate the affine background.</td>
                </tr>
                <tr>
                  <td>map_index</td>
                  <td>Index of the map to reference in item.map_item().</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> if it could be allocated; <a href="namespacebn.html#a01f293535903e4c4777564a86a0f520b" class="m-doc">bn::<wbr />nullopt</a> otherwise.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="aeb8b21f720c14854d6038cd16335a66e"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt; bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#aeb8b21f720c14854d6038cd16335a66e" class="m-doc-self">create_optional</a>(</span><span class="m-doc-wrap">const <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a>&amp; position,
              const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">position</td>
                  <td>Position of the affine background.</td>
                </tr>
                <tr>
                  <td>item</td>
                  <td><a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a> containing the required information to generate the affine background.</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> if it could be allocated; <a href="namespacebn.html#a01f293535903e4c4777564a86a0f520b" class="m-doc">bn::<wbr />nullopt</a> otherwise.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="a6ff0f182c5f309901fe1226667f9e414"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt; bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a6ff0f182c5f309901fe1226667f9e414" class="m-doc-self">create_optional</a>(</span><span class="m-doc-wrap">const <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a>&amp; position,
              const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item,
              int map_index)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">position</td>
                  <td>Position of the affine background.</td>
                </tr>
                <tr>
                  <td>item</td>
                  <td><a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a> containing the required information to generate the affine background.</td>
                </tr>
                <tr>
                  <td>map_index</td>
                  <td>Index of the map to reference in item.map_item().</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> if it could be allocated; <a href="namespacebn.html#a01f293535903e4c4777564a86a0f520b" class="m-doc">bn::<wbr />nullopt</a> otherwise.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="a0d9e6efd69e5bc35b65531b098281f59"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt; bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a0d9e6efd69e5bc35b65531b098281f59" class="m-doc-self">create_optional</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> x,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> y,
              <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> map)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">x</td>
                  <td>Horizontal position of the affine background.</td>
                </tr>
                <tr>
                  <td>y</td>
                  <td>Vertical position of the affine background.</td>
                </tr>
                <tr>
                  <td>map</td>
                  <td><a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> used by the affine background.</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> if it could be allocated; <a href="namespacebn.html#a01f293535903e4c4777564a86a0f520b" class="m-doc">bn::<wbr />nullopt</a> otherwise.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="aec3b44116de1e6c69d8fec727961a6fc"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt; bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#aec3b44116de1e6c69d8fec727961a6fc" class="m-doc-self">create_optional</a>(</span><span class="m-doc-wrap">const <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a>&amp; position,
              <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> map)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from the given <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">position</td>
                  <td>Position of the affine background.</td>
                </tr>
                <tr>
                  <td>map</td>
                  <td><a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> used by the affine background.</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> if it could be allocated; <a href="namespacebn.html#a01f293535903e4c4777564a86a0f520b" class="m-doc">bn::<wbr />nullopt</a> otherwise.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="a18590859c5a0eb47c7338e404d63205e"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt; bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a18590859c5a0eb47c7338e404d63205e" class="m-doc-self">create_optional</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a>&amp; builder)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from an <a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a> reference.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">builder</td>
                  <td><a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a> reference.</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> if it could be allocated; <a href="namespacebn.html#a01f293535903e4c4777564a86a0f520b" class="m-doc">bn::<wbr />nullopt</a> otherwise.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="aabe7d77d45e1f5bb0e6cdcd2326cbcf7"><div>
            <h3>
              <span class="m-doc-wrap-bumper">static <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&gt; bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#aabe7d77d45e1f5bb0e6cdcd2326cbcf7" class="m-doc-self">create_optional</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a>&amp;&amp; builder)</span></span>
            </h3>
            <p>Creates an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> from a moved <a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">builder</td>
                  <td><a href="classbn_1_1affine__bg__builder.html" class="m-doc">affine_<wbr />bg_<wbr />builder</a> to move.</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>The requested <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> if it could be allocated; <a href="namespacebn.html#a01f293535903e4c4777564a86a0f520b" class="m-doc">bn::<wbr />nullopt</a> otherwise.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="a87628e10192e21266f86800d7f170935"><div>
            <h3>
              <span class="m-doc-wrap-bumper"> bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a87628e10192e21266f86800d7f170935" class="m-doc-self">affine_bg_ptr</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp; other)</span></span>
            </h3>
            <p>Copy constructor.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">other</td>
                  <td><a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> to copy.</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="ab831cdfa6fc166a01ff5964f1a2318eb"><div>
            <h3>
              <span class="m-doc-wrap-bumper"> bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#ab831cdfa6fc166a01ff5964f1a2318eb" class="m-doc-self">affine_bg_ptr</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp;&amp; other) <span class="m-label m-success">noexcept</span></span></span>
            </h3>
            <p>Move constructor.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">other</td>
                  <td><a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> to move.</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="a84ba6e91e32ac2f1b3688ac9a06dfcaa"><div>
            <h3>
              <span class="m-doc-wrap-bumper"><a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp; bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a84ba6e91e32ac2f1b3688ac9a06dfcaa" class="m-doc-self">operator=</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp; other)</span></span>
            </h3>
            <p>Copy assignment operator.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">other</td>
                  <td><a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> to copy.</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>Reference to this.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="a975c29ebe4fca75626dfb217f8fd9202"><div>
            <h3>
              <span class="m-doc-wrap-bumper"><a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp; bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a975c29ebe4fca75626dfb217f8fd9202" class="m-doc-self">operator=</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp;&amp; other) <span class="m-label m-success">noexcept</span></span></span>
            </h3>
            <p>Move assignment operator.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">other</td>
                  <td><a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> to move.</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <th>Returns</th>
                  <td>Reference to this.</td>
                </tr>
              </tfoot>
            </table>
          </div></section>
          <section class="m-doc-details" id="a4b369e9edcf115a2349b0fbacf6f9e1f"><div>
            <h3>
              <span class="m-doc-wrap-bumper">bool bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a4b369e9edcf115a2349b0fbacf6f9e1f" class="m-doc-self">big</a>(</span><span class="m-doc-wrap">) const</span></span>
            </h3>
            <p>Indicates if this affine background is big or not.</p>
<p>Big backgrounds are slower CPU wise, but can have any width or height multiple of 256 pixels.</p>
          </div></section>
          <section class="m-doc-details" id="a4febffc15191460072fd4af2132aceb9"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a4febffc15191460072fd4af2132aceb9" class="m-doc-self">set_tiles</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__tiles__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />tiles_<wbr />ptr</a>&amp; tiles)</span></span>
            </h3>
            <p>Sets the tiles used by this affine background.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">tiles</td>
                  <td><a href="classbn_1_1affine__bg__tiles__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />tiles_<wbr />ptr</a> to copy.</td>
                </tr>
              </tbody>
            </table>
<p>It must be compatible with the current map of the affine background.</p>
          </div></section>
          <section class="m-doc-details" id="a40c04d6e9de8c6908ecc24f33331a11e"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a40c04d6e9de8c6908ecc24f33331a11e" class="m-doc-self">set_tiles</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__tiles__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />tiles_<wbr />ptr</a>&amp;&amp; tiles)</span></span>
            </h3>
            <p>Sets the tiles used by this affine background.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">tiles</td>
                  <td><a href="classbn_1_1affine__bg__tiles__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />tiles_<wbr />ptr</a> to move.</td>
                </tr>
              </tbody>
            </table>
<p>It must be compatible with the current map of the affine background.</p>
          </div></section>
          <section class="m-doc-details" id="acf742f2cb12ca2b63b210dff23aea90e"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#acf742f2cb12ca2b63b210dff23aea90e" class="m-doc-self">set_tiles</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__tiles__item.html" class="m-doc">affine_<wbr />bg_<wbr />tiles_<wbr />item</a>&amp; tiles_item)</span></span>
            </h3>
            <p>Replaces the tiles used by this affine background with a new tile set created with the given <a href="classbn_1_1affine__bg__tiles__item.html" class="m-doc">affine_<wbr />bg_<wbr />tiles_<wbr />item</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">tiles_item</td>
                  <td>It creates the new background tiles to use by this affine background.</td>
                </tr>
              </tbody>
            </table>
<p>Before creating a new background tile set, the <a href="classbn_1_1affine__bg__tiles__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />tiles_<wbr />ptr</a> used by this affine background is removed, so VRAM usage is reduced.</p><p>The new background tiles must be compatible with the current map of the affine background.</p>
          </div></section>
          <section class="m-doc-details" id="afdd78c27b25e485aff9ff5c31081046e"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#afdd78c27b25e485aff9ff5c31081046e" class="m-doc-self">set_palette</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1bg__palette__ptr.html" class="m-doc">bg_<wbr />palette_<wbr />ptr</a>&amp; palette)</span></span>
            </h3>
            <p>Sets the color palette to use by this affine background.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">palette</td>
                  <td><a href="classbn_1_1bg__palette__ptr.html" class="m-doc">bg_<wbr />palette_<wbr />ptr</a> to copy.</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="ab5f05370711987c4562673498baf7526"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#ab5f05370711987c4562673498baf7526" class="m-doc-self">set_palette</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1bg__palette__ptr.html" class="m-doc">bg_<wbr />palette_<wbr />ptr</a>&amp;&amp; palette)</span></span>
            </h3>
            <p>Sets the color palette to use by this affine background.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">palette</td>
                  <td><a href="classbn_1_1bg__palette__ptr.html" class="m-doc">bg_<wbr />palette_<wbr />ptr</a> to move.</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="a49ac4b92e9931073526fe1241637ed1d"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a49ac4b92e9931073526fe1241637ed1d" class="m-doc-self">set_palette</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1bg__palette__item.html" class="m-doc">bg_<wbr />palette_<wbr />item</a>&amp; palette_item)</span></span>
            </h3>
            <p>Replaces the color palette used by this affine background with a new one created with the given <a href="classbn_1_1bg__palette__item.html" class="m-doc">bg_<wbr />palette_<wbr />item</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">palette_item</td>
                  <td>It creates the color palette to use by this affine background.</td>
                </tr>
              </tbody>
            </table>
<p>Before creating a new color palette, the <a href="classbn_1_1bg__palette__ptr.html" class="m-doc">bg_<wbr />palette_<wbr />ptr</a> used by this affine background is removed, so VRAM usage is reduced.</p>
          </div></section>
          <section class="m-doc-details" id="a60bdbda4a393a235704f18a3bad9eb33"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a60bdbda4a393a235704f18a3bad9eb33" class="m-doc-self">set_map</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a>&amp; map)</span></span>
            </h3>
            <p>Sets the map used by this affine background.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">map</td>
                  <td><a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> to copy.</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="a1493903af277eb08baedaf39825365de"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a1493903af277eb08baedaf39825365de" class="m-doc-self">set_map</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a>&amp;&amp; map)</span></span>
            </h3>
            <p>Sets the map used by this affine background.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">map</td>
                  <td><a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> to move.</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="a123b6b55088781d5046584b900cfb87d"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a123b6b55088781d5046584b900cfb87d" class="m-doc-self">set_map</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__map__item.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />item</a>&amp; map_item)</span></span>
            </h3>
            <p>Replaces the map used by this affine background with a new map created with the given <a href="classbn_1_1affine__bg__map__item.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />item</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">map_item</td>
                  <td>It creates the new map to use by this affine background.</td>
                </tr>
              </tbody>
            </table>
<p>Before creating a new map, the <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> used by this affine background is removed, so VRAM usage is reduced.</p>
          </div></section>
          <section class="m-doc-details" id="a96bf6bf52de80e6df84ba16617774c9c"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a96bf6bf52de80e6df84ba16617774c9c" class="m-doc-self">set_map</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__map__item.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />item</a>&amp; map_item,
              int map_index)</span></span>
            </h3>
            <p>Replaces the map used by this affine background with a new map created with the given <a href="classbn_1_1affine__bg__map__item.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />item</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">map_item</td>
                  <td>It creates the new map to use by this affine background.</td>
                </tr>
                <tr>
                  <td>map_index</td>
                  <td>Index of the map to reference in map_item.</td>
                </tr>
              </tbody>
            </table>
<p>Before creating a new map, the <a href="classbn_1_1affine__bg__map__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />map_<wbr />ptr</a> used by this affine background is removed, so VRAM usage is reduced.</p>
          </div></section>
          <section class="m-doc-details" id="a454ab025d8c5726e46a114973f725a77"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a454ab025d8c5726e46a114973f725a77" class="m-doc-self">set_item</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item)</span></span>
            </h3>
            <p>Replaces the tiles, the color palette and the map used by this affine background with the created with the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">item</td>
                  <td>It creates the resources to use by this affine background.</td>
                </tr>
              </tbody>
            </table>
<p>Before creating new resources, the resources used by this affine background are removed, so VRAM usage is reduced.</p>
          </div></section>
          <section class="m-doc-details" id="a8c1abcb5f0728576a9684a69b8b71bcc"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a8c1abcb5f0728576a9684a69b8b71bcc" class="m-doc-self">set_item</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>&amp; item,
              int map_index)</span></span>
            </h3>
            <p>Replaces the tiles, the color palette and the map used by this affine background with the created with the given <a href="classbn_1_1affine__bg__item.html" class="m-doc">affine_<wbr />bg_<wbr />item</a>.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">item</td>
                  <td>It creates the resources to use by this affine background.</td>
                </tr>
                <tr>
                  <td>map_index</td>
                  <td>Index of the map to reference in item.map_item().</td>
                </tr>
              </tbody>
            </table>
<p>Before creating new resources, the resources used by this affine background are removed, so VRAM usage is reduced.</p>
          </div></section>
          <section class="m-doc-details" id="a8f8891a139429df3ab19d65e3e695852"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a8f8891a139429df3ab19d65e3e695852" class="m-doc-self">set_position</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> x,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> y)</span></span>
            </h3>
            <p>Sets the position of the affine background (relative to its camera, if it has one).</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">x</td>
                  <td>Horizontal position of the affine background (relative to its camera, if it has one).</td>
                </tr>
                <tr>
                  <td>y</td>
                  <td>Vertical position of the affine background (relative to its camera, if it has one).</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="a0a82d3aa0d8b3ab8a4923b057c975ace"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a0a82d3aa0d8b3ab8a4923b057c975ace" class="m-doc-self">set_top_left_position</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> top_left_x,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> top_left_y)</span></span>
            </h3>
            <p>Sets the top-left position of the affine background (relative to its camera, if it has one).</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">top_left_x</td>
                  <td>Horizontal top-left position of the affine background (relative to its camera, if it has one).</td>
                </tr>
                <tr>
                  <td>top_left_y</td>
                  <td>Vertical top-left position of the affine background (relative to its camera, if it has one).</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="ae598fe668677e809c6b847466b640899"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#ae598fe668677e809c6b847466b640899" class="m-doc-self">set_rotation_angle</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> rotation_angle)</span></span>
            </h3>
            <p>Sets the rotation angle in degrees of the affine background.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">rotation_angle</td>
                  <td>Rotation angle in degrees, in the range [0..360].</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="acaf8f31bfe870b0a0fabfac906ba6394"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#acaf8f31bfe870b0a0fabfac906ba6394" class="m-doc-self">set_rotation_angle_safe</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> rotation_angle)</span></span>
            </h3>
            <p>Sets the rotation angle in degrees of the affine background.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">rotation_angle</td>
                  <td>Rotation angle in degrees, in any range.</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="a5c245f9a7ee2d1aaedd4129358eb1123"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a5c245f9a7ee2d1aaedd4129358eb1123" class="m-doc-self">set_scale</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> horizontal_scale,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> vertical_scale)</span></span>
            </h3>
            <p>Sets the scale of the affine background.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">horizontal_scale</td>
                  <td>Horizontal scale.</td>
                </tr>
                <tr>
                  <td>vertical_scale</td>
                  <td>Vertical scale.</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="af0ec44c40c7b9651c0c2d4825f78ce34"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#af0ec44c40c7b9651c0c2d4825f78ce34" class="m-doc-self">set_shear</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> horizontal_shear,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> vertical_shear)</span></span>
            </h3>
            <p>Sets the shear of the affine background.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">horizontal_shear</td>
                  <td>Horizontal shear.</td>
                </tr>
                <tr>
                  <td>vertical_shear</td>
                  <td>Vertical shear.</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="a1fed661c153bc4aa2aff65fc7444e2b9"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a1fed661c153bc4aa2aff65fc7444e2b9" class="m-doc-self">set_pivot_position</a>(</span><span class="m-doc-wrap"><a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> pivot_x,
              <a href="namespacebn.html#a0de0484a51e353c5b48db21590f4dfc9" class="m-doc">fixed</a> pivot_y)</span></span>
            </h3>
            <p>Sets the position of the affine transformations pivot point of this affine background.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">pivot_x</td>
                  <td>Horizontal position of the pivot point.</td>
                </tr>
                <tr>
                  <td>pivot_y</td>
                  <td>Vertical position of the pivot point.</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="a985b8643eeb6b754b03c61415ed84316"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a985b8643eeb6b754b03c61415ed84316" class="m-doc-self">set_pivot_position</a>(</span><span class="m-doc-wrap">const <a href="namespacebn.html#a9d90d92eb951850d75801f5508fc8e90" class="m-doc">fixed_<wbr />point</a>&amp; pivot_position)</span></span>
            </h3>
            <p>Sets the position of the affine transformations pivot point of this affine background.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">pivot_position</td>
                  <td>Position of the pivot point.</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="a40b7d7667816ff7b3a0842b4a2350b73"><div>
            <h3>
              <span class="m-doc-wrap-bumper">int bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a40b7d7667816ff7b3a0842b4a2350b73" class="m-doc-self">priority</a>(</span><span class="m-doc-wrap">) const</span></span>
            </h3>
            <p>Returns the priority of the affine background relative to sprites and other backgrounds.</p>
<p>Backgrounds with higher priority are drawn first (and therefore can be covered by later sprites and backgrounds).</p>
          </div></section>
          <section class="m-doc-details" id="a8a9dde1bd8148ec36cb3f4fb34a3facb"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a8a9dde1bd8148ec36cb3f4fb34a3facb" class="m-doc-self">set_priority</a>(</span><span class="m-doc-wrap">int priority)</span></span>
            </h3>
            <p>Sets the priority of the affine background relative to sprites and other backgrounds.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">priority</td>
                  <td>Priority in the range [0..3].</td>
                </tr>
              </tbody>
            </table>
<p>Backgrounds with higher priority are drawn first (and therefore can be covered by later sprites and backgrounds).</p>
          </div></section>
          <section class="m-doc-details" id="adad1407842aa80657bff4b6a3a383fcc"><div>
            <h3>
              <span class="m-doc-wrap-bumper">int bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#adad1407842aa80657bff4b6a3a383fcc" class="m-doc-self">z_order</a>(</span><span class="m-doc-wrap">) const</span></span>
            </h3>
            <p>Returns the priority of the affine background relative to other backgrounds, excluding sprites.</p>
<p>Backgrounds with higher z orders are drawn first (and therefore can be covered by later backgrounds).</p><p>Due to hardware limitations, affine backgrounds can be drawn before regular backgrounds with higher z order.</p>
          </div></section>
          <section class="m-doc-details" id="ae2360197f014cb4ce262ff5e58277c9d"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#ae2360197f014cb4ce262ff5e58277c9d" class="m-doc-self">set_z_order</a>(</span><span class="m-doc-wrap">int z_order)</span></span>
            </h3>
            <p>Sets the priority of the affine background relative to other backgrounds, excluding sprites.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">z_order</td>
                  <td>Priority relative to other backgrounds, excluding sprites, in the range [-32767..32767].</td>
                </tr>
              </tbody>
            </table>
<p>Backgrounds with higher z orders are drawn first (and therefore can be covered by later backgrounds).</p><p>Due to hardware limitations, affine backgrounds can be drawn before regular backgrounds with higher z order.</p>
          </div></section>
          <section class="m-doc-details" id="ad1654cd868c7810d393e402610960e59"><div>
            <h3>
              <span class="m-doc-wrap-bumper">bool bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#ad1654cd868c7810d393e402610960e59" class="m-doc-self">blending_enabled</a>(</span><span class="m-doc-wrap">) const</span></span>
            </h3>
            <p>Indicates if blending must be applied to this affine background or not.</p>
<p>Blending is applied to this affine background by making it part of the blending top layer.</p>
          </div></section>
          <section class="m-doc-details" id="a715b1bc30121d4d9ef1cb359200a830a"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a715b1bc30121d4d9ef1cb359200a830a" class="m-doc-self">set_blending_enabled</a>(</span><span class="m-doc-wrap">bool blending_enabled)</span></span>
            </h3>
            <p>Sets if blending must be applied to this affine background or not.</p>
<p>Blending is applied to this affine background by making it part of the blending top layer.</p>
          </div></section>
          <section class="m-doc-details" id="af560d9ebe678e2b1b3e4354b79c78b39"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#af560d9ebe678e2b1b3e4354b79c78b39" class="m-doc-self">set_camera</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a>&amp; camera)</span></span>
            </h3>
            <p>Sets the <a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a> attached to this affine background.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">camera</td>
                  <td><a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a> to copy to this affine background.</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="ab72083110b1c6760b04c067ec7b024e5"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#ab72083110b1c6760b04c067ec7b024e5" class="m-doc-self">set_camera</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a>&amp;&amp; camera)</span></span>
            </h3>
            <p>Sets the <a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a> attached to this affine background.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">camera</td>
                  <td><a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a> to move to this affine background.</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="ae13afca478f34c871ab492a4372adccd"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#ae13afca478f34c871ab492a4372adccd" class="m-doc-self">set_camera</a>(</span><span class="m-doc-wrap">const <a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a>&gt;&amp; camera)</span></span>
            </h3>
            <p>Sets or removes the <a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a> attached to this affine background.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">camera</td>
                  <td>Optional <a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a> to copy to this affine background.</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="ac4703ddfac6f8ae01c6aa56767c6658a"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#ac4703ddfac6f8ae01c6aa56767c6658a" class="m-doc-self">set_camera</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;<a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a>&gt;&amp;&amp; camera)</span></span>
            </h3>
            <p>Sets or removes the <a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a> attached to this affine background.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">camera</td>
                  <td>Optional <a href="classbn_1_1camera__ptr.html" class="m-doc">camera_<wbr />ptr</a> to move to this affine background.</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="aa5f35f299742c43fc1ab0fc996f6f5a2"><div>
            <h3>
              <span class="m-doc-wrap-bumper"><a href="classbn_1_1optional.html" class="m-doc">optional</a>&lt;int&gt; bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#aa5f35f299742c43fc1ab0fc996f6f5a2" class="m-doc-self">hw_id</a>(</span><span class="m-doc-wrap">) const</span></span>
            </h3>
            <p>Returns the hardware ID assigned to this background or <a href="namespacebn.html#a01f293535903e4c4777564a86a0f520b" class="m-doc">bn::<wbr />nullopt</a> if no hardware ID has been assigned.</p>
<p>Normally you should not need to call this function, but it can be useful for messing with HDMA for example.</p><p>A background doesn&#x27;t have an assigned hardware ID if it is not visible.</p><p>Assigned hardware ID can change after calling this method if some properties of this background or others are updated.</p><p>Call this method at your own risk.</p>
          </div></section>
          <section class="m-doc-details" id="a711126f7613bc75e9f22ce93ca3c0f79"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void bn::<wbr />affine_bg_ptr::<wbr /></span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#a711126f7613bc75e9f22ce93ca3c0f79" class="m-doc-self">swap</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp; other)</span></span>
            </h3>
            <p>Exchanges the contents of this <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> with those of the other one.</p>
            <table class="m-table m-fullwidth m-flat">
              <thead>
                <tr><th colspan="2">Parameters</th></tr>
              </thead>
              <tbody>
                <tr>
                  <td style="width: 1%">other</td>
                  <td><a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> to exchange the contents with.</td>
                </tr>
              </tbody>
            </table>
          </div></section>
          <section class="m-doc-details" id="afeac219f2f6c1f42d6379aaf4af3f473"><div>
            <h3>
              <span class="m-doc-wrap-bumper">void </span><span class="m-doc-wrap"><span class="m-doc-wrap-bumper"><a href="#afeac219f2f6c1f42d6379aaf4af3f473" class="m-doc-self">swap</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp; a,
              <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a>&amp; b)</span></span>
            </h3>
            <p>Exchanges the contents of an <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> with those of another one.</p>
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                  <td style="width: 1%">a</td>
                  <td>First <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> to exchange the contents with.</td>
                </tr>
                <tr>
                  <td>b</td>
                  <td>Second <a href="classbn_1_1affine__bg__ptr.html" class="m-doc">affine_<wbr />bg_<wbr />ptr</a> to exchange the contents with.</td>
                </tr>
              </tbody>
            </table>
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